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This variable provides information only on eyes with retinal microaneurysms and no retinal blot hemorrhage, worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUHEM

This variable provides information only on eyes with retinal blot hemorrhages and no microaneurysms in the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUHE

This variable provides information on the presence or absence of hard exudate in the worse eye. Hard exudate is a result of lipoprotein deposition in the retina and is usually associated with macular edema.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUSE

This variable provides information on the presence or absence of soft exudate in the worse eye. Soft exudate, sometimes called cotton wool spot, is due to retinal nerve fiber layer infarction, a result of retinal ischemia.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUIRMA

This variable provides information on the presence or absence of Intraretinal Microvascular Abnormalities (IRMA), from the worse eye. IRMA are retinal collateral vessels in areas of retinal ischemia indicating a more severe level of retinopathy. This variable is coded using the ETDRS photo standard, 8A. Eyes with IRMA>=8A have more severe disease than eyes with standard <8A.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUVB

This variable provides information on the presence or absence of retinal venous beading from the worse eye. Venous beading is a manifestation of severe retinal ischemia.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUNVO

This variable provides information on the presence or absence of retinal new vessels on the optic disc area, from the worse eye. Retinal new vessels on the optic disc area are a manifestation of proliferative retinopathy due to retinal ischemia. This variable is coded using the ETDRS photo standard, 10A. Eyes with standard>=10A have more new vessels than eyes with standard <10A.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUNVE

This variable provides information on the presence or absence of retinal new vessels elsewhere outside the optic disc margin in the worse eye. Retinal new vessels elsewhere outside the optic disc margin are a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the more severe the disease.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDURFP

This variable provides information on the presence or absence of retinal fibrous proliferation in the worse eye. Retinal fibrous proliferation is a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the greater the disease.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUPHVH

This variable provides information on the presence or absence of pre-retinal hemorrhage or vitreous hemorrhage in the worse eye. Pre-retinal hemorrhage or vitreous hemorrhage is a manifestation of proliferative retinopathy due to retinal ischemia. The more area is affected, the more severe the disease.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUME

This variable provides information on the presence or absence of macular edema by clinical significance from the worse eye. The definition for Clinically Significant Macular Edema (CSME), found in the NHANES Grading Protocol: CSME is considered present when edema involves the fovea or is within 500 microns of the fovea, or when a 1+disc area of edema is present with at least a portion of it within the macula.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUMEC

This variable provides information on the presence or absence of macular edema in the center from the worse eye. Center involvement specifies involvement of the fovea by macular edema. Cysts indicate more severe involvement, usually associated with visual loss.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUPPS

This variable provides information on the presence or absence of panretinal photocoagulation scars in the worse eye. Panretinal photocoagulation in a scatter pattern across the retina or in specific areas outside the macular area later results in scarring and is a surrogate for having had active severe disease. Local and/or scatter photocoagulation is usually done to prevent preretinal and vitreous hemorrhage or the development of retinal new vessels.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUFOC

This variable provides information on the presence or absence of focal laser photocoagulation from the worse eye. It can appear either as treatment of leaking retinal microaneurysms (MA Rx only) or in a grid pattern in macula done for the treatment of localized or diffuse macular edema (Grid only), or sometimes together.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUARM

This variable provides information on the 3-level severity classification of age-related macular degeneration (ARM) from the worse eye. Early ARM is defined by presence or absence of drusen and/or pigmentary abnormalities; late ARM by exudative ARM signs and/or geographic atrophy.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUPIGA

This variable provides information on the presence or absence of increased retinal pigment and/or RPE depigmentation, a manifestation of early ARM in absence of signs of late ARM, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDULARM

This variable provides information on the presence or absence of exudative ARM and/or geographic atrophy from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUGA

This variable provides information on the presence or absence of pure geographic atrophy in the absence of signs of Exudative ARM, worse eye

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUEXU

This variable provides information on the presence or absence of exudative ARM from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUHD

This variable provides information on the presence or absence of hard distinct drusen, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUD125

This variable provides information on the presence or absence of large drusen, greater than or equal to 125 microns in diameter, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUD500

This variable provides information on the presence or absence of large drusen, greater than or equal to 500 microns in diameter, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUASD

This variable provides information on the presence or absence of any soft indistinct and/or soft distinct drusen from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUSDD

This variable provides information on the presence or absence of soft distinct drusen, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUSID

This variable provides information on the presence or absence of soft indistinct drusen from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUIRP

This variable provides information on the presence or absence of increased retinal pigment due to disruption of the retinal pigment epithelium in early ARM, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDURPE

This variable provides information on the presence or absence of decreased retinal pigmentation due to disruption of the retinal pigment epithelium in early ARM, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUAGA

This variable provides information on the presence or absence of any geographic atrophy from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUPED

This variable provides information on the presence or absence of Retinal Pigment Epithelial detachment/ Sensory Retinal detachment, a sign of exudative ARM, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUSNV

This variable provides information on the presence or absence of subretinal new vessels, a sign of exudative ARM, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUSUBH

This variable provides information on the presence or absence of subretinal hemorrhage, a sign of exudative ARM, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUSFS

This variable provides information on the presence or absence of subretinal fibrous scar, a sign of exudative ARM, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUARMX

This variable provides information on the presence or absence of 3 types of treatment for exudative ARM in the worse eye: laser, photodynamic and/or thermal treatment. The presence or absence of these treatments is a sign of exudative ARM.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUBCO

This variable provides information on the presence or absence of retinal artery occlusion (branch or central), a blockage of retinal arteriole or artery resulting in infarction of the retina, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUBVO

This variable provides information on the presence or absence of retinal branch vein occlusion, a blockage of retinal branch venule (level 12 in the retinopathy severity scale, variable OPDURET), from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUCVO

This variable provides information on the presence or absence of retinal central vein occlusion (RCVO) from the worse eye; blockage of the retinal central vein (level 12 in the retinal severity scale variable, OPDURET).

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUAVN

This variable provides information on the presence or absence of retinal arterio-venous nicking, a pinching of the vein at an artery crossing, from the worse eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUFAN

This variable provides information on the presence or absence of retinal focal arteriolar narrowing, focal pinching or narrowing of the arteriole, from the worse eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUHOLL

This variable provides information on the presence or absence of retinal arteriolar embolus (Hollenhorst plaque), from the worse eye. Usually fibrin or cholesterol embolus seen in retinal arterioles, often at a bifurcation of the vessel.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUPPA

This variables provides information on the presence or absence of peripapillary atrophy, defined as retinal-choroidal atrophic area around the disc, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUASHY

This variable provides information on the presence or absence of Asteroid Hyalosis, soap-like crystals floating in the vitreous cavity in front of the retina, which can obstruct the view of retinal lesions, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUCHRA

This variable provides information on the presence or absence of any chorioretinal abnormality from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUMACH

This variable provides information on the presence or absence of a macular hole, a round sharply defined hole involving the center of the macula, resulting in a decrease in visual acuity, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUCHN

This variable provides information on the presence or absence of choroidal nevus, a localized increase in the number of pigment bearing cells in choroid, usually round or oval in shape, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUOTRX

This variable provides information on the presence or absence of any other laser treatment for other conditions (i.e. local treatment for retinal detachment), from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUPOHS

This variable provides information on the presence or absence of Presumed Ocular Histoplasmosis Syndrome, which usually manifests by peripapillary atrophic scars, focal round chorioretinal active lesions or punched out scars, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDURDET

This variable provides information on the presence or absence of traction or traumatic retinal detachment (not ARM Pigment Epithelial Detachment), from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUSWR

This variable provides information on the presence or absence of epiretinal membrane (cellophane changes), from the worse eye. Epiretinal membrane (cellophane changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to membrane cellophane changes only with no traction.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUSWRT

This variable provides information on the presence or absence of epiretinal membrane (retinal traction changes), from the worse eye. Epiretinal membrane (retinal traction changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to retinal traction changes of the membrane.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDUOTHC

This variable provides information of other ocular conditions not graded elsewhere, from the worse eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDRET

Calculated levels of retinopathy severity, right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDRL4

This variable provides information on four levels of retinopathy severity, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDARMA

This field is coded for the presence or absence of any retinopathy from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDHMA

This summary variable provides information on describing microaneurysms (MAS) only, blot hemorrhages (HEM) only, or both using two severity levels using the ETDRS standard 2A, right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDMA

This variable provides information only on eyes with retinal microaneurysms and no retinal blot hemorrhage, right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDHEM

This variable provides information only on eyes with retinal blot hemorrhages and no microaneurysms in the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDHE

This variable provides information on the presence or absence of hard exudate in the right eye. Hard exudate is a result of lipoprotein deposition in the retina and is usually associated with macular edema.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDSE

This variable provides information on the presence or absence of soft exudate in the right eye. Soft exudate, sometimes called cotton wool spot, is due to retinal nerve fiber layer infarction, a result of retinal ischemia.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDIRMA

This variable provides information on the presence or absence of Intraretinal Microvascular Abnormalities (IRMA), from the right eye. IRMA are retinal collateral vessels in areas of retinal ischemia indicating a more severe level of retinopathy. This variable is coded using the ETDRS photo standard, 8A. Eyes with IRMA>=8A have more severe disease than eyes with standard <8A.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDVB

This variable provides information on the presence or absence of retinal venous beading from the right eye. Venous beading is a manifestation of severe retinal ischemia.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDNVO

This variable provides information on the presence or absence of retinal new vessels on the optic disc area, from the right eye. Retinal new vessels on the optic disc area are a manifestation of proliferative retinopathy due to retinal ischemia. This variable is coded using the ETDRS photo standard, 10A. Eyes with standard>=10A have more severe vessels than eyes with standard <10A.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDNVE

This variable provides information on the presence or absence of retinal new vessels elsewhere outside the optic disc margin in the right eye. Retinal new vessels elsewhere outside the optic disc margin are a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the more severe the disease.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDRFP

This variable provides information on the presence or absence of retinal fibrous proliferation in the right eye. Retinal fibrous proliferation is a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the greater the disease.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDPHVH

This variable provides information on the presence or absence of pre-retinal hemorrhage or vitreous hemorrhage in the right eye. Pre-retinal hemorrhage or vitreous hemorrhage is a manifestation of proliferative retinopathy due to retinal ischemia. The more area is affected, the more severe the disease.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDME

This variable provides information on the presence or absence of macular edema by clinical significance from the right eye. The definition for Clinically Significant Macular Edema (CSME), found in the NHANES Grading Protocol: CSME is considered present when edema involves the fovea or is within 500 microns of the fovea, or when a 1+disc area of edema is present with at least a portion of it within the macula.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDMEC

This variable provides information on the presence or absence of macular edema in the center from the right eye. Center involvement specifies involvement of the fovea by macular edema. Cysts indicate more severe involvement, usually associated with visual loss.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDPPS

This variable provides information on the presence or absence of panretinal photocoagulation scars in the right eye. Panretinal photocoagulation in a scatter pattern across the retina or in specific areas outside the macular area later results in scarring and is a surrogate for having had active severe disease. Local and/or scatter photocoagulation is usually done to prevent preretinal and vitreous hemorrhage or the development of retinal new vessels.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDFOC

This variable provides information on the presence or absence of focal laser photocoagulation from the right eye. It can appear either as treatment of leaking retinal microaneurysms (MA Rx only) or in a grid pattern in macula done for the treatment of localized or diffuse macular edema (Grid only), or sometimes together.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDARM

This variable provides information on the 3-level severity classification of age-related macular degeneration (ARM) from the right eye. Early ARM is defined by presence or absence of drusen and/or pigmentary abnormalities; late ARM by exudative ARM signs and/or geographic atrophy.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDPIGA

This variable provides information on the presence or absence of increased retinal pigment and/or RPE depigmentation, a manifestation of early ARM in absence of signs of late ARM, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDLARM

This variable provides information on the presence or absence of exudative ARM and/or geographic atrophy from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDGA

This variable provides information on the presence or absence of pure geographic atrophy in the absence of signs of Exudative ARM, right eye

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDEXU

This variable provides information on the presence or absence of exudative ARM from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDAREX

Was the right eye excluded for ARM?

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDREA

If a condition exists in the macula which confounds the grader from evaluating Age Related Macular Degeneration (ARM) lesions from similar changes in the retina due to another process the eye is excluded (cannot grade) from evaluation of all ARM lesions from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDHD

This variable provides information on the presence or absence of hard distinct drusen, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDD125

This variable provides information on the presence or absence of large drusen, greater than or equal to 125 microns in diameter, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDD500

This variable provides information on the presence or absence of large drusen, greater than or equal to 500 microns in diameter, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDASD

This variable provides information on the presence or absence of any soft indistinct and/or soft distinct drusen from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDSDD

This variable provides information on the presence or absence of soft distinct drusen, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDSID

This variable provides information on the presence or absence of soft indistinct drusen from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDIRP

This variable provides information on the presence or absence of increased retinal pigment due to disruption of the retinal pigment epithelium in early ARM, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDRPE

This variable provides information on the presence or absence of decreased retinal pigmentation due to disruption of the retinal pigment epithelium in early ARM, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDAGA

This variable provides information on the presence or absence of any geographic atrophy from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDPED

This variable provides information on the presence or absence of Retinal Pigment Epithelial detachment/ Sensory Retinal detachment, a sign of exudative ARM, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDSNV

This variable provides information on the presence or absence of subretinal new vessels, a sign of exudative ARM, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDSUBH

This variable provides information on the presence or absence of subretinal hemorrhage, a sign of exudative ARM, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDSFS

This variable provides information on the presence or absence of subretinal fibrous scar, a sign of exudative ARM, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDARMX

This variable provides information on the presence or absence of 3 types of treatment for exudative ARM in the right eye: laser, photodynamic and/or thermal treatment. The presence or absence of these treatments is a sign of exudative ARM.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDBCO

This variable provides information on the presence or absence of retinal artery occlusion (branch or central), a blockage of retinal arteriole or artery resulting infarction of the retina, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDBVO

This variable provides information on the presence or absence of retinal branch vein occlusion, a blockage of retinal branch venule (level 12 in the retinopathy severity scale, variable OPDURET), from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDCVO

This variable provides information on the presence or absence of retinal central vein occlusion (RCVO) from the right eye; blockage of the retinal central vein (level 12 in the retinal severity scale variable, OPDDRET).

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDAVN

This variable provides information on the presence or absence of retinal arterio-venous nicking, a pinching of the vein at an artery crossing, from the right eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDFAN

This variable provides information on the presence or absence of retinal focal arteriolar narrowing, focal pinching or narrowing of the arteriole, from the right eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDHOLL

This variable provides information on the presence or absence of retinal arteriolar embolus (Hollenhorst plaque), from the worse eye. Usually fibrin or cholesterol embolus seen in retinal arterioles, often at a bifurcation of the vessel.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDPPA

This variables provides information on the presence or absence of peripapillary atrophy, defined as retinal-choroidal atrophic area around the disc, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDASHY

This variable provides information on the presence or absence of Asteroid Hyalosis, soap-like crystals floating in the vitreous cavity in front of the retina, which can obstruct the view of retinal lesions, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDCHRA

This variable provides information on the presence or absence of any chorioretinal abnormality from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDMACH

This variable provides information on the presence or absence of a macular hole, a round sharply defined hole involving the center of the macula, resulting in a decrease in visual acuity, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDCHN

This variable provides information on the presence or absence of choroidal nevus, a localized increase in the number of pigment bearing cells in choroid, usually round or oval in shape, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDOTRX

This variable provides information on the presence or absence of any other laser treatment for other conditions (i.e. local treatment for retinal detachment), from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDPOHS

This variable provides information on the presence or absence of Presumed Ocular Histoplasmosis Syndrome, which usually manifests by peripapillary atrophic scars, focal round chorioretinal active lesions or punched out scars, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDRDET

This variable provides information on the presence or absence of traction or traumatic retinal detachment (not ARM Pigment Epithelial Detachment), from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDSWR

This variable provides information on the presence or absence of epiretinal membrane (cellophane changes), from the right eye. Epiretinal membrane (cellophane changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to membrane cellophane changes only with no traction.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDSWRT

This variable provides information on the presence or absence of epiretinal membrane (retinal traction changes), from the right eye. Epiretinal membrane (retinal traction changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to retinal traction changes of the membrane.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDOTHC

This variable provides information of other ocular conditions not graded elsewhere, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDDVCDR

This variable provides the vertical cup to disc ratio, in microns, from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSCOMP

Are field 1 & field 2 present, left eye?

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSF1

Is field 1 present in the photos of the left eye?

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSF1FO

Was the optic nerve in focus from the left eye?

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSF2

Is field 2 present, Left Eye?

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSF2FO

Field 2 Focus, Left eye

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSGRBL

Gradability of images, left eye. This assumes at least one digital image of the left eye is available.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSPMM

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSPHPR

Photo Problems

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSPHIL

Photo Problem - Illumination

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSPHFD

Photo Problem - Field Definition

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSPHHZ

Photo Problem - Haze

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSPHDD

Photo Problem - Dust/Dirt

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSPHLA

Photo Problem - Lashes

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSPHAR

Photo Problem - Arc

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSPHRC

Photo Problem - Red Channel

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPXSPHOT

Photo Problem - Other

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSRET

Calculated levels of retinopathy severity, left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSRL4

This variable provides information on four levels of retinopathy severity, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSARMA

This field is coded for the presence or absence of any retinopathy from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSHMA

This summary variable provides information on describing microaneurysms (MAS) only, blot hemorrhages (HEM) only, or both using two severity levels using the ETDRS standard 2A, left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSMA

This variable provides information only on eyes with retinal microaneurysms and no retinal blot hemorrhage, left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSHEM

This variable provides information only on eyes with retinal blot hemorrhages and no microaneurysms in the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSHE

This variable provides information on the presence or absence of hard exudate in the left eye. Hard exudate is a result of lipoprotein deposition in the retina and is usually associated with macular edema.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSSE

This variable provides information on the presence or absence of soft exudate in the left eye. Soft exudate, sometimes called cotton wool spot, is due to retinal nerve fiber layer infarction, a result of retinal ischemia.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSIRMA

This variable provides information on the presence or absence of Intraretinal Microvascular Abnormalities (IRMA), from the left eye. IRMA are retinal collateral vessels in areas of retinal ischemia indicating a more severe level of retinopathy. This variable is coded using the ETDRS photo standard, 8A. Eyes with IRMA>=8A have more severe disease than eyes with standard <8A.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSVB

This variable provides information on the presence or absence of retinal venous beading from the left eye. Venous beading is a manifestation of severe retinal ischemia.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSNVO

This variable provides information on the presence or absence of retinal new vessels on the optic disc area, from the left eye. Retinal new vessels on the optic disc area are a manifestation of proliferative retinopathy due to retinal ischemia. This variable is coded using the ETDRS photo standard, 10A. Eyes with standard>=10A have more severe vessels than eyes with standard <10A.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSNVE

This variable provides information on the presence or absence of retinal new vessels elsewhere outside the optic disc margin in the left eye. Retinal new vessels elsewhere outside the optic disc margin are a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the more severe the disease.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSRFP

This variable provides information on the presence or absence of retinal fibrous proliferation in the left eye. Retinal fibrous proliferation is a manifestation of proliferative retinopathy due to retinal ischemia. The more area affected, the greater the disease.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSPHVH

This variable provides information on the presence or absence of pre-retinal hemorrhage or vitreous hemorrhage in the left eye. Pre-retinal hemorrhage or vitreous hemorrhage is a manifestation of proliferative retinopathy due to retinal ischemia. The more area is affected, the more severe the disease.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSME

This variable provides information on the presence or absence of macular edema by clinical significance. The definition for Clinically Significant Macular Edema (CSME), found in the NHANES Grading Protocol: CSME is considered present when edema involves the fovea or is within 500 microns of the fovea, or when a 1+disc area of edema is present with at least a portion of it within the macula.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSMEC

This variable provides information on the presence or absence of macular edema in the center from the left eye. Center involvement specifies involvement of the fovea by macular edema. Cysts indicate more severe involvement, usually associated with visual loss.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSPPS

This variable provides information on the presence or absence of panretinal photocoagulation scars in the left eye. Panretinal photocoagulation in a scatter pattern across the retina or in specific areas outside the macular area later results in scarring and is a surrogate for having had active severe disease. Local and/or scatter photocoagulation is usually done to prevent preretinal and vitreous hemorrhage or the development of retinal new vessels.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSFOC

This variable provides information on the presence or absence of focal laser photocoagulation from the left eye. It can appear either as treatment of leaking retinal microaneurysms (MA Rx only) or in a grid pattern in macula done for the treatment of localized or diffuse macular edema (Grid only), or sometimes together.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSARM

This variable provides information on the 3-level severity classification of age-related macular degeneration (ARM) from the left eye. Early ARM is defined by presence or absence of drusen and/or pigmentary abnormalities; late ARM by exudative ARM signs and/or geographic atrophy.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSPIGA

This variable provides information on the presence or absence of increased retinal pigment and/or RPE depigmentation, a manifestation of early ARM in absence of signs of late ARM, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSLARM

This variable provides information on the presence or absence of exudative ARM and/or geographic atrophy from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSGA

This variable provides information on the presence or absence of pure geographic atrophy in the absence of signs of Exudative ARM, left eye

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSEXU

This variable provides information on the presence or absence of exudative ARM from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSAREX

Was the left eye excluded for ARM?

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSREA

If a condition exists in the macula which confounds the grader from evaluating Age Related Macular Degeneration (ARM) lesions from similar changes in the retina due to another process the eye is excluded (cannot grade) from evaluation of all ARM lesions from the right eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSHD

This variable provides information on the presence or absence of hard distinct drusen, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSD125

This variable provides information on the presence or absence of large drusen, greater than or equal to 125 microns in diameter, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSD500

This variable provides information on the presence or absence of large drusen, greater than or equal to 500 microns in diameter, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSASD

This variable provides information on the presence or absence of any soft indistinct and/or soft distinct drusen from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSSDD

This variable provides information on the presence or absence of soft distinct drusen, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSSID

This variable provides information on the presence or absence of soft indistinct drusen from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSIRP

This variable provides information on the presence or absence of increased retinal pigment due to disruption of the retinal pigment epithelium in early ARM, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSRPE

This variable provides information on the presence or absence of decreased retinal pigmentation due to disruption of the retinal pigment epithelium in early ARM, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSAGA

This variable provides information on the presence or absence of any geographic atrophy from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSPED

This variable provides information on the presence or absence of Retinal Pigment Epithelial detachment/ Sensory Retinal detachment, a sign of exudative ARM, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSSNV

This variable provides information on the presence or absence of subretinal new vessels, a sign of exudative ARM, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSSUBH

This variable provides information on the presence or absence of subretinal hemorrhage, a sign of exudative ARM, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSSFS

This variable provides information on the presence or absence of subretinal fibrous scar, a sign of exudative ARM, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSARMX

This variable provides information on the presence or absence of 3 types of treatment for exudative ARM in the left eye: laser, photodynamic and/or thermal treatment. The presence or absence of these treatments is a sign of exudative ARM.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSBCO

This variable provides information on the presence or absence of retinal artery occlusion (branch or central), a blockage of retinal arteriole or artery resulting infarction of the retina, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSBVO

This variable provides information on the presence or absence of retinal branch vein occlusion, a blockage of retinal branch venule (level 12 in the retinopathy severity scale, variable OPDURET), from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSCVO

This variable provides information on the presence or absence of retinal central vein occlusion (RCVO) from the left eye; blockage of the retinal central vein (level 12 in the retinal severity scale variable, OPDSRET).

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSAVN

This variable provides information on the presence or absence of retinal arterio-venous nicking, a pinching of the vein at an artery crossing, from the left eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSFAN

This variable provides information on the presence or absence of retinal focal arteriolar narrowing, focal pinching or narrowing of the arteriole, from the left eye. May be secondary to hypertension. Refer to the NHANES Detailed Grading Protocol for more details.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSHOLL

This variable provides information on the presence or absence of retinal arteriolar embolus (Hollenhorst plaque), from the worse eye. Usually fibrin or cholesterol embolus seen in retinal arterioles, often at a bifurcation of the vessel.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSPPA

This variables provides information on the presence or absence of peripapillary atrophy, defined as retinal-choroidal atrophic area around the disc, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSASHY

This variable provides information on the presence or absence of Asteroid Hyalosis, soap-like crystals floating in the vitreous cavity in front of the retina, which can obstruct the view of retinal lesions, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSCHRA

This variable provides information on the presence or absence of any chorioretinal abnormality from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSMACH

This variable provides information on the presence or absence of a macular hole, a round sharply defined hole involving the center of the macula, resulting in a decrease in visual acuity, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSCHN

This variable provides information on the presence or absence of choroidal nevus, a localized increase in the number of pigment bearing cells in choroid, usually round or oval in shape, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSOTRX

This variable provides information on the presence or absence of any other laser treatment for other conditions (i.e. local treatment for retinal detachment), from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSPOHS

This variable provides information on the presence or absence of Presumed Ocular Histoplasmosis Syndrome, which usually manifests by peripapillary atrophic scars, focal round chorioretinal active lesions or punched out scars, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSRDET

This variable provides information on the presence or absence of traction or traumatic retinal detachment (not ARM Pigment Epithelial Detachment), from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSSWR

This variable provides information on the presence or absence of epiretinal membrane (cellophane changes) from the left eye. Epiretinal membrane (cellophane changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to membrane cellophane changes only with no traction.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSSWRT

This variable provides information on the presence or absence of epiretinal membrane (retinal traction changes), from the left eye. Epiretinal membrane (retinal traction changes) refers to a patch or patches of irregular increased reflection on the inner surface of the retina due to retinal traction changes of the membrane.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSOTHC

This variable provides information of other ocular conditions not graded elsewhere, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

OPDSVCDR

This variable provides the vertical cup to disc ratio, in microns, from the left eye.

OPXRET_E

Ophthalmology - Retinal Imaging

2007

2008

Examination

None

SEQN

Respondent sequence number.

OHX_E

Oral Health

2007

2008

Examination

None

OHAEXSTS

Overall Oral Health Exam Status

OHX_E

Oral Health

2007

2008

Examination

None

OHX08HTC

Tooth Count: Upper right central incisor (CI)

OHX_E

Oral Health

2007

2008

Examination

None

OHX07HTC

Tooth Count: Upper right lateral incisor (LI)

OHX_E

Oral Health

2007

2008

Examination

None

OHX06HTC

Tooth Count: Upper right cuspid (C)

OHX_E

Oral Health

2007

2008

Examination

None

OHX05HTC

Tooth Count: Upper right 1st bicuspid (1B)

OHX_E

Oral Health

2007

2008

Examination

None

OHX04HTC

Tooth Count: Upper right 2nd bicuspid (2B)

OHX_E

Oral Health

2007

2008

Examination

None

OHX03HTC

Tooth Count: Upper right 1st molar (1M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX02HTC

Tooth Count: Upper right 2nd molar (2M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX01HTC

Tooth Count: Upper right 3rd molar (3M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX09HTC

Tooth Count: Upper left central incisor (CI)

OHX_E

Oral Health

2007

2008

Examination

None

OHX10HTC

Tooth Count: Upper left lateral incisor (LI)

OHX_E

Oral Health

2007

2008

Examination

None

OHX11HTC

Tooth Count: Upper left cuspid (C)

OHX_E

Oral Health

2007

2008

Examination

None

OHX12HTC

Tooth Count: Upper left 1st bicuspid (1B)

OHX_E

Oral Health

2007

2008

Examination

None

OHX13HTC

Tooth Count: Upper left 2nd bicuspid (2B)

OHX_E

Oral Health

2007

2008

Examination

None

OHX14HTC

Tooth Count: Upper left 1st molar (1M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX15HTC

Tooth Count: Upper left 2nd molar (2M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX16HTC

Tooth Count: Upper left 3rd molar (3M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX24HTC

Tooth Count: Lower left central incisor (CI)

OHX_E

Oral Health

2007

2008

Examination

None

OHX23HTC

Tooth Count: Lower left lateral incisor (LI)

OHX_E

Oral Health

2007

2008

Examination

None

OHX22HTC

Tooth Count: Lower left cuspid (C)

OHX_E

Oral Health

2007

2008

Examination

None

OHX21HTC

Tooth Count: Lower left 1st bicuspid (1B)

OHX_E

Oral Health

2007

2008

Examination

None

OHX20HTC

Tooth Count: Lower left 2nd bicuspid (2B)

OHX_E

Oral Health

2007

2008

Examination

None

OHX19HTC

Tooth Count: Lower left 1st molar (1M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX18HTC

Tooth Count: Lower left 2nd molar (2M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX17HTC

Tooth Count: Lower left 3rd molar (3M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX25HTC

Tooth Count: Lower right central incisor (CI)

OHX_E

Oral Health

2007

2008

Examination

None

OHX26HTC

Tooth Count: Lower right lateral incisor (LI)

OHX_E

Oral Health

2007

2008

Examination

None

OHX27HTC

Tooth Count: Lower right cuspid (C)

OHX_E

Oral Health

2007

2008

Examination

None

OHX28HTC

Tooth Count: Lower right 1st bicuspid (1B)

OHX_E

Oral Health

2007

2008

Examination

None

OHX29HTC

Tooth Count: Lower right 2nd bicuspid (2B)

OHX_E

Oral Health

2007

2008

Examination

None

OHX30HTC

Tooth Count: Lower right 1st molar (1M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX31HTC

Tooth Count: Lower right 2nd molar (2M)

OHX_E

Oral Health

2007

2008

Examination

None

OHX32HTC

Tooth Count: Lower right 3rd molar (3M)

OHX_E

Oral Health

2007

2008

Examination

None

OHXDECAY

Presence of at least one tooth with dental decay

OHX_E

Oral Health

2007

2008

Examination

None

OHXREST

Presence of at least one tooth with a dental restoration

OHX_E

Oral Health

2007

2008

Examination

None

OHXSEAL

Presence of at least one tooth with a dental preventive sealant

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCRZ1

Right - Zone 1

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCRZ2

Right - Zone 2

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCRZ3

Right - Zone 3

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCRZ4

Right - Zone 4

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCRZ5

Right - Zone 5

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCRZ6

Right - Zone 6

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCRZ7

Right - Zone 7

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCRZ8

Right - Zone 8

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCLZ1

Left - Zone 1

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCLZ2

Left - Zone 2

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCLZ3

Left - Zone 3

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCLZ4

Left - Zone 4

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCLZ5

Left - Zone 5

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCLZ6

Left - Zone 6

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCLZ7

Left - Zone 7

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCLZ8

Left - Zone 8

OHX_E

Oral Health

2007

2008

Examination

None

OHXFCANT

Anterior Zone:

OHX_E

Oral Health

2007

2008

Examination

None

OHQ410

Do you have an upper removable partial or full denture?

OHX_E

Oral Health

2007

2008

Examination

None

OHQ420

Do you usually wear it during the day?

OHX_E

Oral Health

2007

2008

Examination

None

OHQ430

Do you have a lower removable partial or full denture?

OHX_E

Oral Health

2007

2008

Examination

None

OHQ440

Do you usually wear it during the day?

OHX_E

Oral Health

2007

2008

Examination

None

OHAPOS

Was the SP in a recumbent (laying down) position for all eligible assessments of the oral health exam?

OHX_E

Oral Health

2007

2008

Examination

None

SEQN

Respondent sequence number

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

ENQ010

{Do you/Does SP} currently have a breathing problem that requires {you/him/her} to use supplemental oxygen during the day? [This is air stored in a tank that you use to help you breathe. Do not include night treatments for sleep apnea.]

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

ENQ020

{Do you/Does SP} now have any pain or physical problem that may prevent {you/him/her} from taking a deep breath and exhaling forcefully?

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ010

{Do you/Does SP} now have a painful ear infection?

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ020

{Have you/Has SURVEY PARTICIPANT} ever had eye surgery? [Do not include cosmetic surgery on the eyelid or skin around the eye]

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ030

Was the eye surgery in the last three months?

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ040

{Have you/Has SP} ever had open chest or abdominal surgery?

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ050

Was the open chest or abdominal surgery in the last three months?

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ060

Did {you/SP} or anyone in {your/his/her} household have tuberculosis in the past year?

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ070a

Has a doctor or other health professional ever told {you/SP}that {you/he/she} had . . .

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ070b

Has a doctor or other health professional ever told {you/SP}that {you/he/she} had . . .

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ070c

Has a doctor or other health professional ever told {you/SP}that {you/he/she} had . . .

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ070d

Has a doctor or other health professional ever told {you/SP}that {you/he/she} had . . .

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ070e

Has a doctor or other health professional ever told {you/SP}that {you/he/she} had . . .

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ080

Did this stroke happen in the last three months?

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ090

Was {your/SP's} heart attack in the last three months?

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

SPQ100

In the past month, {have you/has SP} coughed up blood?

SPX_E

Spirometry - 1st Test & 2nd Test Bronchodilator Studies

2007

2008

Examination

None

ENQ100

In the past 7 days, {have you/has SP} had a cough, cold, phlegm, runny nose or other respiratory illness? Do not count allergies or hay fever.

If VIQ150 = "Yes", record if the examinee brought their near work glasses, contacts, or a combination of glasses and/or contacts to the testing facility.

VIX_E

Vision

2007

2008

Examination

None

VIQ170

If VIQ160 = "Yes", record whether the examinee wore glasses, contacts, or a combination of glasses and/or contacts for test of near vision.

VIX_E

Vision

2007

2008

Examination

None

VIXNC1

The number of the last line the examinee read with one or fewer misses, that is the number of the last line where the examinee read at least four out of the five characters correctly. Line 1 has the largest print: line 5 has the smallest print.

VIX_E

Vision

2007

2008

Examination

None

VIXNC2

Record to the nearest inch the distance from the center of the card to the examinee's brow.

VIX_E

Vision

2007

2008

Examination

None

VIQ180

Have you ever had eye surgery to treat or prevent nearsightedness or myopia?

VIX_E

Vision

2007

2008

Examination

None

VIQ191

If VIQ180 = "Yes", record which eye(s) was/were operated on.

VIX_E

Vision

2007

2008

Examination

None

VIQ200

Have you ever had eye surgery to treat cataracts?

VIX_E

Vision

2007

2008

Examination

None

VIQ211

if VIQ200 = "Yes", record which eye(s) was/were operated on for cataracts.

VIX_E

Vision

2007

2008

Examination

None

VIQ220

Do you wear glasses or contact lenses for distance vision, such as when you watch television?

VIX_E

Vision

2007

2008

Examination

None

VIQ230

If VIQ220 = "Yes", record if examinee brought their distance correction to the testing center.

VIX_E

Vision

2007

2008

Examination

None

VIQ240

If VIQ230 = "Yes", record the type of correction (glasses, contacts, or a combination of glasses and contacts) the SP has with them.

VIX_E

Vision

2007

2008

Examination

None

VIQ250

Did the examiner capture the prescription of the examinee's lens?

VIX_E

Vision

2007

2008

Examination

None

VIXPRS

The prescription of the sphere in the right lens used for distance correction.

VIX_E

Vision

2007

2008

Examination

None

VIXPRC

Prescription of the cylinder in the right lens used for distance correction

VIX_E

Vision

2007

2008

Examination

None

VIXPRA

Prescription of the axis in the right lens used for distance correction

VIX_E

Vision

2007

2008

Examination

None

VIXPLS

Prescription of the sphere in the left lens used for distance correction.

VIX_E

Vision

2007

2008

Examination

None

VIXPLC

Prescription of the cylinder in the left lens used for distance correction.

VIX_E

Vision

2007

2008

Examination

None

VIXPLA

Prescription of the axis in the left lens used for distance correction.

VIX_E

Vision

2007

2008

Examination

None

VIXOCMT

The examiner can note special circumstances related to a visual acuity test.

VIX_E

Vision

2007

2008

Examination

None

VIXORSM

Spherical dioptric power (median value of three objective refractions) of the examinee's right eye.

VIX_E

Vision

2007

2008

Examination

None

VIXORCM

Cylindrical dioptric power (median value of three objective refractions) of the examinee's right eye.

VIX_E

Vision

2007

2008

Examination

None

VIXORAM

Axis of refractive astigmatism (median value of three objective refractions) of the examinee's right eye.

VIX_E

Vision

2007

2008

Examination

None

VIDORFM

The confidence level of the objective refraction reading for the right eye (mean of three measures).

VIX_E

Vision

2007

2008

Examination

None

VIXOLSM

Spherical dioptric power (median value of three objective refractions) of the examinee's left eye.

VIX_E

Vision

2007

2008

Examination

None

VIXOLCM

Cylindrical dioptric power (median value of three objective refractions) of the examinee's left eye.

VIX_E

Vision

2007

2008

Examination

None

VIXOLAM

Axis of refractive astigmatism (median value of three objective refractions) of the examinee's left eye.

VIX_E

Vision

2007

2008

Examination

None

VIDOLFM

The confidence level of the objective refraction reading of the left eye (mean of three measures).

VIX_E

Vision

2007

2008

Examination

None

VIXKRM1

Keratometric measure. Radius of corneal curvature (in mm) in the least power meridian of the examinee's right eye (median of three measures).

VIX_E

Vision

2007

2008

Examination

None

VIXKRD1

Keratometric measure. Dioptric power in the least power meridian of the cornea in the examinee's right eye (median of three measures).

VIX_E

Vision

2007

2008

Examination

None

VIXKRG1

Keratometric measure. Axis of corneal astigmatism (in degrees) in the least power meridian of the examinee's right eye.

VIX_E

Vision

2007

2008

Examination

None

VIXKRM2

Keratometric measure. Radius of corneal curvature (in mm) in the greatest power meridian of the examinee's right eye (median of three measures).

VIX_E

Vision

2007

2008

Examination

None

VIXKRD2

Keratometric measure. Dioptric power in the meridian of the cornea with the greatest power in the examinee's right eye (median of three measures).

VIX_E

Vision

2007

2008

Examination

None

VIXKRG2

Keratometric measure. Axis of corneal astigmatism (in degrees) in the greatest power meridian of the examinee's right eye.

VIX_E

Vision

2007

2008

Examination

None

VIXKRMM

Keratometric measure. Radius of corneal curvature (in mm) averaged across meridians in the examinee's right eye.

VIX_E

Vision

2007

2008

Examination

None

VIXKRDM

Keratometric measure. Dioptric power of the cornea averaged across meridians in the examinee's right eye.

VIX_E

Vision

2007

2008

Examination

None

VIXKRCD

Keratometric measure. Difference in dioptric power between meridians of the cornea in the examinee's right eye

VIX_E

Vision

2007

2008

Examination

None

VIXKRCG

Keratometric measure. Axis of corneal astigmatism (in degrees) in the steepest meridian of the cornea in the examinee's right eye.

VIX_E

Vision

2007

2008

Examination

None

VIXKLM1

Keratometric measure. Radius of corneal curvature (in mm) in the least power meridian of the examinee's left eye (median of three measures).

VIX_E

Vision

2007

2008

Examination

None

VIXKLD1

Keratometric measure. Dioptric power in the least power meridian of the cornea in the examinee's left eye (median of three measures).

VIX_E

Vision

2007

2008

Examination

None

VIXKLG1

Keratometric measure. Axis of corneal astigmatism (in degrees) in the least power median of the examinee's left eye.

VIX_E

Vision

2007

2008

Examination

None

VIXKLM2

Keratometric measure. Radius of corneal curvature (in mm) in the greatest power meridian of the examinee's left eye (median of three measures).

VIX_E

Vision

2007

2008

Examination

None

VIXKLD2

Keratometric measure. Dioptric power in the meridian of the cornea with the greatest power in the examinee's left eye (median of three measures).

VIX_E

Vision

2007

2008

Examination

None

VIXKLG2

Keratometric measure. Axis of corneal astigmatism (in degrees) in the greatest power meridian of the examinee's left eye.

VIX_E

Vision

2007

2008

Examination

None

VIXKLMM

Keratometric measure. Radius of corneal curvature (in mm) averaged across meridians in the examinee's left eye.

VIX_E

Vision

2007

2008

Examination

None

VIXKLDM

Keratometric measure. Dioptric power of the cornea averaged across meridians in the examinee's left eye.

VIX_E

Vision

2007

2008

Examination

None

VIXKLCD

Keratometric measure. Difference in dioptric power between meridians of the cornea in the examinee's left eye.

VIX_E

Vision

2007

2008

Examination

None

VIXKLCG

Keratometric measure. Axis of corneal astigmatism (in degrees) in the steepest meridian of the cornea in the examinee's left eye.